@article{10_4153_CMB_1970_040_7,
     author = {Costley, Charles G.},
     title = {On {Singular} {Normal} {Linear} {Integral} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {199--203},
     year = {1970},
     volume = {13},
     number = {2},
     doi = {10.4153/CMB-1970-040-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-040-7/}
}